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HT7938 - High Current And Performance White LED Driver

Holtek Semiconductor

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Datasheet Details

Part number	HT7938
Manufacturer	Holtek Semiconductor
File Size	483.65 KB
Description	High Current And Performance White LED Driver
Datasheet	HT7938_HoltekSemiconductor.pdf

HT7938 Product details

Description

HT7938 is high efficiency boost converter with constant current output to provide backlight in handheld devices.

Features

Efficiency up to 85% at VIN=3.6V, 9LEDs,.
Tiny inductor and capacitors.
Up to 9 strings White-LED.
Tiny 6-lead SOT23-6 package.
Built in OVP, OCP, OTP, UVLO protection ILED=20mA.
1.2MHz fixed switching frequency.
Low Standby Current: 0.1mA, VEN=0V (typ. ).
Matches LED current.

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Published: Feb 7, 2010 |